I simplified the expression and the answer is 17
It would be parallel lines because the rails are going straight up
How many times does (4) go into (37) ? 9 TIMES.
Remainder 1.
So as a mixed number would be 9 whole number, 1/4
= (9 1/4)
Rise
____
Run
This is when you need to graph slope. This is useful because it helps you determine the x and y axis.